Typecasting Error in Python [duplicate]

Question

pop=x.nextSibling()[0]  # pop="Population: 1,414,204"
pre_result=pop.text.split(" ") #pre_result=['Population:','1,414,204']
a=pre_result[1] # a='1,414,204'
result=int(a) #Error pops over here.Tried int(a,2) by searching answers in internet still got an error.
print(result) 
print(type(result))

The following is the error message.I thought typecasting from str to int would be simple but still i came across this error.I am a beginner in python so sorry if there has been any silly mistake in my code.

File "C:\Users\Latheesh\AppData\Local\Programs\Python\Python36\Population Graph.py", line 14, in getPopulation
    result=int(a)
ValueError: invalid literal for int() with base 10: '1,373,541,278'

What is not clear about this? How would Python parse '1,373,541,278' directly? — willeM_ Van Onsem
– willeM_ Van Onsem, Commented Feb 15, 2018 at 8:41
using commata to separate numbers is unusual outside of (I think) central europe, so you have to remove them before parsing — Arne
– Arne, Commented Feb 15, 2018 at 8:42
Lol i got it.I realise now how stupid of a question this was lmao.Thanks guys! — Latheeshwar Raj
– Latheeshwar Raj, Commented Feb 15, 2018 at 8:43

willeM_ Van Onsem · Accepted Answer · 2018-02-15 08:42:42Z

3

The error is self explaining, a contains the string '1,373,541,278', and that is not a format Python can handle.

We can however remove the comma's from the string, with:

result=int(a.replace(',', ''))

But it is possible that for some elements, you will have to do additional processing.

answered Feb 15, 2018 at 8:42

willeM_ Van Onsem

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1 Comment

Latheeshwar Raj Over a year ago

It did work thank you :)

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